But what makes sense for individual countries may not make sense for the rich world as a whole.
For individual countries, however, the calculus is often different, particularly on fiscal policy.
He said taxation matters were for individual countries, rather than by multilateral institutions.
The increase can be chalked up to the politics involved in what has always been an emotional topic for individual countries.
The Bank, for instance, cites success stories for individual countries, notably the spectacular reduction of poverty in China, as evidence that aid works.
Only a united Europe could stop Russia from cutting bilateral deals that are advantageous for individual countries but disastrous for the EU as a whole.
Tax is an internal matter for individual countries.
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Across rich countries the share of those aged over 25 who have had some form of higher education is now 33%, against 28% of men in the same age group (see chart 3 for individual countries).
And so it would be premature for us at this point to get into any specific discussion of individual countries that might be additionally considered for sanctions.
There is a wide variety of reasons for how SMS volumes trend in individual countries.
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"We are extremely thankful for the contributions of all these individual countries, " Matern said.
Suitable (and legitimate) statistical massaging of all the data may be able to offset these biases in a way that could not so easily be done for the smaller data sets from individual countries.
So far, though, the United States has asked Nato countries for help on an individual basis and not requested aid from the alliance as a bloc.
However, the three economists believe this had more to do with highly-borrowed investors' need at that time for cash than with their views about individual countries.
For example, in some countries, individual social-security numbers or tax codes are now used by government agencies as unique identification numbers to control access to health care or higher education.
Individual countries or agencies are responsible for maintaining and checking their own databases.
Yet, even setting aside the difficult issue of how much of a free ride China can expect, the EU's policy applies to individual companies, not countries, for which there is no such dispensation.
We took a snapshot of overall allocations for 18 countries, measured as percentages of total individual consumption (rounded to the nearest percent).
Forbes.com took a snapshot of overall allocations for 18 countries, measured as percentages of total individual consumption (rounded to the nearest percent).
They looked at cancer rates for the EU as a whole (27 member states as at 2007) and also in six individual countries - France, Germany, Italy, Poland, Spain and the UK - for all cancers, and, individually, for stomach, intestine, pancreas, lung, prostate, breast, uterus (including cervix) and leukaemias.
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This new architecture is also justified on the grounds that it will help avoid adhoc controls now being imposed by individual countries and help lay down ground rules for orderly capital flows and a realistic timetable for capital account convertibility.
As for help from abroad, the IMF can give instructions to individual countries, but it cannot run the whole region.
In addition, more countries reckon that strict spending limits, both for individual candidates and for national parties, might help make things cleaner still.
The European version calls for an end to auditors' self-regulation, requiring individual countries to set up regulators similar to America's newish Public Company Accounting Oversight Board.
Several EU leaders want individual countries' debts guaranteed by the whole eurozone, for instance in the form of centrally issued eurobonds.
Ferenc Gyurcsany - the prime minister of Hungary, one of the worst affected EU countries - called for more Europe-wide support for individual nations.
Its already large (though circumscribed) liability in the euro zone, through bail-outs to individual countries, could become something like an unlimited liability for the public and private debts of others.
While most countries prohibit the use of handheld phones when driving (including Canada, Australia and nearly every country in the European Union), US laws around mobile phone use are left up to individual states, resulting in a confusing patchwork for visitors from other countries.
That interest rate is, if the individual economies subject to it differ, going to be wrong for some countries some of the time.
Indeed greater co-ordination is now required, if the Bank's plan for a comprehensive poverty reduction and growth strategy is to be adopted in individual countries.
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